docs: add VitePress documentation site with GitHub Pages deployment

Rewrites all documentation with accurate project details (Fastify, port
1349, single-container Docker, all 33+ tools, full database schema).
Adds getting started guide and configuration reference. Updates help and
settings dialogs to link to the docs site.

.github/workflows/ai-docs-updater.yml

@@ -0,0 +1,58 @@
+name: AI Documentation Updater
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'apps/api/**'
+      - 'apps/web/**'
+      - 'packages/**'
+
+jobs:
+  update-docs:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2 # Fetch previous commit to get diff
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v3
+        with:
+          version: 9
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Generate Diff
+        run: git diff HEAD^ HEAD > diff.patch
+
+      - name: Run Real AI Agent
+        env:
+          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+        run: |
+          echo "Running Claude to analyze changes and update docs..."
+          npx tsx apps/docs/scripts/update-docs.ts ./diff.patch
+          
+      - name: Commit and Push Changes
+        run: |
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+          git add apps/docs/
+          if ! git diff-index --quiet HEAD; then
+            git commit -m "docs: auto-updated by AI 🤖"
+            git push
+          else
+            echo "No documentation changes needed."
+          fi